根据汉语意思和英文首字母完成下列单词拼写，使句意完整正确。
56. The tower in the d           (远处) is hundreds of years old.
57. First o           (观察) the teacher do the experiment and then have a try by yourself.
58. We should r           (尊敬) them instead of looking down upon them.
59. It’s well-known that smoking is h           (有害的) to health.
60.He said the song r_________ (提醒) him of the happy days in the university.
61. He has a firm b           (信念) that he’ll win the speech contest.      
62. What will happen to you if you don’t  eat a  b________ （均衡的）diet ?
63. Would you please come in? P           (允许) me to lead the way, sir.
64. There are v           (各种各样的) kinds of theme parks all over the world.
65. The tramp in the film was loved for his optimism and determination to o          (克服) all difficulties.